Technical Information · issue 19 of 2011
Guard with defined adjustment range; Summary
IssueTI 19/2011
Part changes (1)
| Was | Becomes | What the bulletin says |
|---|---|---|
| 4224 790 5302 | 4224 790 5303 | Tightening torques Top: Previous support Stop pin / support 5 Nm Bottom: New support The previous support (1) 4224 790 5302 is being replaced by the new version (2) 4224 790 5303. |
Full text
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STIH)
Technical Information 19.2011
Cut-off machine STIHL Cutquik® TS 800 – Series 4224
Contents
1. Guard with defined adjustment range
2. Summary
1. Guard with defined adjustment
range
1.1 Adjustment range
In STIHL Cutquik® TS 800 cut-off machine, the
adjustment range (A and B respectively) of the
2 2 guard will be determined by the stop
pin (1, see b 1.3) installed into the support
(see b 1.2) and by the lugs (arrows) molded onto
the guard (2).
A 1 1 B
377TI008 KN
Left: Adjustment range (A),
Guard mounted on the inboard side
Right: Adjustment range (B),
Guard mounted on the outboard side
TI_19_2011_30_01_01.fm englisch / English
)m~ge 2 Technical Information 19.2011
1.2 Support 1.3 Stop pin
1
2
3 1
377TI010 KN
The new stop pin (1) 4224 691 0101 is installed into
2 the new support (2) 4224 790 5303 and defines the
adjustment range (see b 1.1) together with the
lugs molded onto the guard.
377TI009 KN
Tightening torques
Top: Previous support Stop pin / support 5 Nm
Bottom: New support
The previous support (1) 4224 790 5302 is being
replaced by the new version (2) 4224 790 5303.
The new support (2) 4224 790 5303 differs in that it
has a threaded hole (3) for installing in the stop pin
(see b 1.3).
Spare parts
The previous support (1) 4224 790 5302 is no
longer available. The new version (2)
4224 790 5303 with the threaded hole (3) can also
be used for older machines with the previous
support 4224 790 5302.
The previous versions of the "support with guard"
(see summary) are eliminated as spare parts and
will no longer be offered in the future. The individual
parts (see spare parts list) remain available for older
machines.
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Technical Information 19.2011 Page 3
1.4 Rubber buffer 1.5 Reconfiguring the "support with guard"
– from guard on the inboard side to
guard on the outboard side
2
The "support with guard" is mounted on the inboard
side by the manufacturer.
The "support with guard" can also be mounted on
the outboard side depending on requirements.
Assembly on the inboard side is recommended for
better balance.
. Remove the abrasive wheel
377TI021 KN
3 1
Removing the water attachment
Left: Previous versions of the support,
rubber buffer and screw
Right: New versions of the support and the
stop pin 1
The stop pin (1, see b 1.3) and the lugs molded
onto the guard (see b 1.1) determine the 2
adjustment range, the rubber buffer (2)
4224 790 9300 and the screw IS-M5x6-10.9 (3) 2
(9022 341 0910) have been eliminated.
1
377TI011 KN
Spare parts
The previous versions of the rubber buffer (2)
. Loosen the nuts (1)
4224 790 9300 and the screw IS-M5x6-10.9 (3)
(9022 341 0910) remain available for older . Remove banjo bolts (2)
machines.
Removing the adjusting lever
1
3
377TI012 KN
. Remove screws (1)
. Remove adjusting lever (2)
. Remove sealing plugs (3)
TI_19_2011_30_01_01.fm
)m~ge 4 Technical Information 19.2011
Slackening the V-belt Preparing the "support with guard" for outboard
mounting
2
1
377TI013 KN
1
377TI015 KN
. To relax the V-belt, loosen the nuts (1) – do not
unscrew the nuts (1) from the studs . Remove stop pin (1)
. Turn the tensioning nut (2) counterclockwise
with the combination wrench – approx. 1/4 turn,
max. to stop = 0
. Unscrew nuts (1) from the studs – nuts (1) are
fastened to the belt guard so that they are
secured against loss
1
4 3
Removing the V-belt guard
377TI016 KN
A 2
. Turn the guard so that it is in the position shown
2 (see picture)
. Install and tighten the stop pin (1)
. Move the adjusting lever (2) to position (A)
. Insert and tighten down the screws (3)
. Press in sealing plugs (4)
1
377TI014 KN
. Remove the V-belt guard (1) and remove the
V-belt from the front pulley
. Remove the "support with guard" (2)
TI_19_2011_30_01_01.fm Page 3 of 7
Technical Information 19.2011 Page 5
Mounting the "support with guard" – guard on Checking the adjustment range of the guard
the outboard side
A
3
377TI018 KN
4
377TI017 KN
. Rotate the guard forwards and backwards as far
. Fit the "support with guard" (1) on the outboard as possible – adjustment range (A) must be
side – at the same time, guide the V-belt over limited by the stop pin
the belt pulley
. Check that the belt rotates easily
1.6 Reconfiguring the "support with guard"
. Install V-belt guard (2) into place
– from guard on the outboard side to
. Align studs (3) in support with nuts (4) in the guard on the inboard side
V-belt guard
. Remove the abrasive wheel
. Screw nuts (4) onto studs (3) – do not tighten
. Remove the water attachment
. Connect water connection
. Remove the adjusting lever
. Tension the V-belt
. Slacken the V-belt
. Remove the V-belt guard
. Remove V-belt
. Remove "support with guard"
TI_19_2011_30_01_01.fm
)m~ge 6 Technical Information 19.2011
Preparing the "support with guard" for inboard Checking the adjustment range of the guard
mounting
377TI019 KN A
. Remove stop pin (1)
377TI020 KN
. Rotate the guard forwards and backwards as far
as possible – adjustment range (A) must be
limited by the stop pin
1
377TI015 KN
. Turn the guard so that it is in the position shown
(see picture)
. Install and tighten the stop pin (1)
. Install the adjusting lever
. Mount "support with guard" – guard on the
inboard side
. Fit the V-belt
. Install the V-belt guard
. Connect water connection
. Tension the V-belt
TI_19_2011_30_01_01.fm Page 4 of 7
Technical Information 19.2011 Page 7
2. Summary
Item Part Name Previous New Rem.
1 Support with guard dia. 400 mm; 4224 690 0120 -*- 1)
including Item 3
2 Support with guard dia. 400 mm 4224 690 0104 -*- 1)
3 Support 4224 790 5302 4224 790 5303 1) 2)
4 Rubber buffer 4224 790 9300 --- 3)
5 Spline screw IS-M5x6-10.9 9022 341 0910 --- 3)
6 Stop pin --- 4224 691 0101
Modification to be introduced : continuously
Remarks
1) Previous version of part no longer available from factory
2) New version of part can also be used for older machines
3) Previous version of part remains available for older machines
© ANDREAS STIHL AG & Co. KG, 2011 Technical Documentation
D1/MTK-fr
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